CN100490258C - Connector for sharing first type connector and second type connector with different pin numbers - Google Patents

Abstract

A connector for sharing a first type of connector and a second type of connector with different pin numbers is used for being assembled on an electronic device and comprises a base, at least one first pin and at least one second pin. The base body comprises a first connecting surface and a second connecting surface, and the base body comprises a convex connecting part and a concave connecting part for accommodating the convex connecting part, wherein the first connecting surface and the second connecting surface are respectively positioned on two opposite surfaces of the convex connecting part. The first pins are arranged on the first connection surface, and the number of the first pins is the same as that of the first type of joint. In addition, the second pins are arranged on the second connecting surface, and the total quantity of the second pins and the first pins is the same as the pin quantity of the second type of joint.

Description

Connectors for sharing Type 1 connectors and Type 2 connectors with different numbers of pins

technical field

The present invention relates to a connector, and more particularly to a connector for sharing a first-type connector and a second-type connector with different numbers of pins.

Background technique

Some simple external devices, such as earphones, speakers, etc., often use different connectors to distinguish the types of external devices to transmit different data. Common connector interface connection connectors (or terminals) include AV video connector, S-Video video connector, USB connector, iLINK connector, headphone connector, and microphone connector. However, for light, thin, short, and small handheld devices, such as mobile phones, personal digital assistants (PDA), smart phones, players, game consoles, or notebook computers (Notebook PCs), Connectors with various specifications not only increase the cost, but also increase the volume.

Universal serial bus (universal serial bus, hereinafter referred to as USB) is currently widely used as an interface or interface for data transmission between external devices and hosts. interface. When the external device is connected to the host through the USB cable, it can automatically detect the newly added hardware through the USB terminal, and find the most appropriate driver that can drive the external device. Common USB interfaces include connectors with 5-pin MINI A-type male/female connectors, 5-pin MINI B-type male/female connectors, and can share MINI A-type and MINI A MINI AB type female connector to a B type male connector.

Please refer to FIG. 1 , which shows a conventional schematic diagram of a plurality of USB pins 110 arranged in parallel in a MINI AB connector 100 . It should be noted that since the number of USB pins 110 is only five, it can only be used with MINI A or MINI B type connectors (see FIG. 2 and FIG. 3 ), and has limited functions. If the number of connector pins of the external device is different from the number of USB pins 110 , different connectors and transmission lines must be installed to connect to the host, which will also increase the production cost of the handheld device and increase the volume.

Contents of the invention

The purpose of the present invention is to provide a connector for sharing a first-type connector and a second-type connector with different numbers of pins, so as to improve the compatibility between devices.

The present invention proposes a connector for sharing a first type of joint and a second type of joint with different numbers of pins to be assembled on an electronic device. The connector includes a base, at least one first pin and at least one A second pin. The seat body includes a first connection surface and a second connection surface, and the seat body includes a convex connection portion and a concave connection portion for accommodating the convex connection portion, wherein the first connection surface and the second connection surface are respectively located on the convex connection portion Two opposing surfaces. The first pins are arranged on the first connection surface, and the number of the first pins is the same as that of the first type of connector. The second pins are arranged on the second connection surface, and the total number of the second pins and the first pins is the same as the number of pins of the second type of connector.

According to the embodiment of the present invention, an insertion opening is formed between the above-mentioned convex joint portion and the concave joint portion for accommodating the first type of joint or the second type of joint.

According to the embodiment of the present invention, the above-mentioned first type of connector includes a connector conforming to the size specification of MINI A or MINIB Universal Serial Bus (USB).

According to an embodiment of the present invention, the above-mentioned second type of connector includes an 11-pin Universal Serial Bus (USB) size connector.

According to an embodiment of the present invention, the number of the first pins includes the number of pins conforming to the MINI A or MINI B Universal Serial Bus (USB) specification.

According to the embodiment of the present invention, the total number of the second pins and the first pins is 11. The total number of the first pins is five. The total number of the second pins is six. In addition, the total number of pins of the second type of connector is greater than the total number of pins of the first type of connector.

According to the embodiment of the present invention, the above-mentioned second pins may include at least one identification pin, at least one audio line pin, and at least one ground pin.

The present invention provides an electronic device, which at least includes a connector for sharing a first type connector and a second type connector with different numbers of pins. The connector has a first connection surface and a second connection surface. At least one first pin is configured on the first connection surface, and the number of the first pin is the same as that of the first type of connector. At least one second pin is configured on the second connection surface, and the total number of the second pin and the first pin is the same as the number of pins of the second type of connector.

According to the embodiment of the present invention, the above-mentioned first connection surface and the second connection surface are accommodated in the base body and the base body further includes a concave corner portion to form a fool-proof structure.

According to the embodiment of the present invention, the above-mentioned electronic device judges the type of the second connector through the potential change of the group identification pin.

According to an embodiment of the present invention, the above-mentioned potential change includes one of a short-circuit state, an impedance state, or an open-circuit state.

According to the embodiment of the present invention, the above-mentioned first type of connector includes a connector conforming to the size specification of MINI A or MINI B Universal Serial Bus (USB), and the second type of connector includes an 11-pin Universal Serial Bus (USB) USB) size specification connector.

The present invention adopts a connector structure compatible with the commonly used USB interface of MINI A and MINI B types, and adds a group of independent functional pins to the original connector structure, so that different pin numbers The connectors of external devices can share this highly compatible connector structure. Therefore, the connector of the present invention can not only meet the requirement of function expansion, but also achieve the purpose of sharing the connector in product design.

In order to make the above and other objects, features and advantages of the present invention more comprehensible, preferred embodiments will be described in detail below together with the accompanying drawings.

Description of drawings

FIG. 1 shows a conventional schematic diagram of a plurality of USB pins arranged in parallel in a MINI AB connector.

Fig. 2 and Fig. 3 respectively depict the connectors of conventional MINI A and MINI B type male joints.

FIG. 4 is a schematic diagram of a connector according to an embodiment of the present invention.

FIG. 5 illustrates a double-sided 11-pin universal serial bus (USB) male connector suitable for the connector of FIG. 4 .

6A and 6B are schematic diagrams showing the positive insertion of the male connector and the female connector.

7A and 7B are schematic diagrams showing reverse insertion of the male connector and the female connector.

Figures 8A to 8C show the fool-proof schematic diagrams of the male connector of the present invention not applicable to the female connectors of the original MINI A type, MINI B type and MINI AB type.

100, 200, 300: connector 110, 210, 310: USB pin

100B, 200B, 300B: female connector 200A, 300A: male connector

400: Connector 410: Seat body

412: Convex joint 414: Concave joint

416: Recessed corner 420: First pin

430: Second pin 500: Connector

510: USB pin 520: USB pin

Detailed ways

Please refer to FIG. 2 and FIG. 3 , which respectively illustrate commonly used connectors of MINI A and MINI B type male connectors. The USB terminals (or pins) 210 in Figure 2 are arranged on the MINI A-type connector 200, and the number is 5, which can be used for signal transmission and agreement, while the USB terminals (or pins) 310 in Figure 3 are arranged On the MINI B-type connector 300, the number is also 5, but the size and appearance of the interface are slightly different to avoid misjudgment or failure caused by mis-insertion or reverse-insertion. Also because the MINI A-type connector and the MINI B-type connector 200, 300 have a fool-proof design in appearance, they are only suitable for their respective male or female connectors.

FIG. 4 shows a schematic diagram of a connector 400 according to an embodiment of the present invention, and FIG. 5 shows a connector 500 applicable to the double-sided 11-pin Universal Serial Bus (USB) size specification of the connector of FIG. 4 . Please refer to FIG. 5 . Different from the connectors 200 and 300 of the MINI A type and the MINI B type described above, the male connector 500 of FIG. 5 has five USB terminals (or pins) 510 located on the upper surface of the interface. And 6 USB terminals (or pins) 520 located on the lower surface of the interface, the total number of terminals is 11. Among them, the five USB terminals 510 on the upper surface of the interface can be used as the first group of signal terminals, and the six USB terminals 520 on the lower surface of the interface can be used as the second group of signal terminals. Since the number of the first group of signal terminals is the same as that of the original MINI A or MINI B type USB terminals, it can be used as the USB terminals of the original external device without changing its circuit design. As for the newly added second group of signal terminals, they can be used together with the first group of signal terminals as USB terminals for a new generation of external devices developed to meet the needs of function expansion.

Please refer to FIG. 4 , in order to share male connectors with different USB terminals, the connector 400 proposed by the present invention includes a base 410 , a plurality of first pins 420 and a plurality of second pins 430 . Wherein, the seat body 410 can be welded or assembled on an electronic device (not shown), and the insertion port of the seat body 410 is used for accommodating a male connector having a size equivalent to the insertion port, such as MINI A type or MINI B Type of male connector 200,300 (the first type of connector), also can be double-sided 11-pin male connector 500 (second type of connector), so that this new generation of developed connector 400 can Compatible with different types of USB terminals.

As shown in FIG. 4 , the seat body 410 includes a protruding joint 412 and a concave joint 414 accommodating the protruding joint 412 , wherein the upper surface of the protruding joint 412 is provided with a plurality of first pins 420 , and the first The pins 420 are arranged in parallel to form a first connection plane. In addition, a plurality of second pins 430 are disposed on the lower surface of the protruding portion 412 , and the second pins 430 are arranged in parallel to form a second connection surface. The first connection surface and the second connection surface overlap each other. When the double-sided 11-pin male connector 500 is inserted into the insertion opening formed by the convex portion 412 and the concave portion 414 of the seat body 410 , the first pin 420 is aligned with the male connector 500 . The terminals 510 on one side of the connector 500 are in contact with each other to conduct conduction, and the second pin 430 can contact with the terminal 520 on the other side of the male joint connector 500 to conduct conduction. If the connectors 200, 300 of MINI A type or MINI B type are inserted into the insertion port of the seat body 410, only the first pin 420 is in corresponding contact with the terminals of the connectors 200, 300 to conduct, and The second pin 430 is inactive. It can be seen that the number of the first pins 420 conforms to the number of pins of the MINI A or MINI B Universal Serial Bus (USB) size specification, and the total number of the first and second pins 420, 430 conforms to the double-sided The number of universal serial bus (USB) size specifications with 11 pins, that is, the total number of the first pins 420 is 5, and the total number of the second pins 430 is 6, and the second type of connector ( The total number of pins of double-sided 11-pin USB) is greater than the total number of pins of the first type of connector (MINI A or MINI B USB). Of course, the number of the first pins 420 and the second pins 430 is described as an example in this embodiment, but it is not limited thereto.

Please refer to the schematic diagrams of forward insertion in FIG. 6A and FIG. 6B and the schematic diagrams of reverse insertion in FIG. 7A and FIG. 7B . In this embodiment, in order to prevent the second pin 430 of the connector 400 from accidentally touching the second pin 430 of the above-mentioned connector 400 when the male connectors 200A and 300A of the MINI A type and the MINI B type are inserted backwards, the appearance of the connector 400 is protected. A dull design, that is, a recessed corner portion 416 is designed to prevent equipment failure or misjudgment. The MINI A-type male connector 200A shown in Figure 6A and the MINI B-type male connector 300A shown in Figure 6B can be inserted into the double-sided 11-pin female connector 400, but cannot be reversed due to size interference. In the female connector 400 with 11 pins on the surface, as shown in FIG. 7A and FIG. 7B , in order to achieve the effect of foolproofing.

Next, please refer to FIG. 8A-FIG. 8C , which illustrate the fool-proof schematic diagrams that the double-sided 11-pin male connector 500 is not suitable for the original MINI A type, MINI B type, and MINI AB type female connectors. In order to prevent the male connector 500 developed by the new generation from being mistakenly inserted into the female connectors 200B, 300B, and 100B of the existing specifications, the appearance is deliberately separated from the female connectors of the existing specifications so that the male connectors developed by the new generation The connector 500 cannot be inserted into the old mainframe, so as to avoid false contact and conduction, so as to achieve the effect of foolproofing.

It can be seen from this that the connectors 400 and 500 of the present invention retain the function of the original 5-pin USB interface for the use of the first type of external device connector of the original 5-pin MINI A type and MINI B type. The newly added 6-pin USB interface can meet the needs of function expansion for the use of a new generation of external device connectors, that is, the total number of the first pin and the newly added second pin corresponds to a higher number of pins The second type of external device connector used.

Since the newly added second pin 430 is provided with at least one set of identification pins, it can determine the type of the second type of joint through the potential change between the first identification voltage and the second identification voltage, that is, the short circuit state between the two wires , impedance state and open circuit state to judge the pre-classified second type of connector, so that the host can connect with the second type of connector. In addition, the newly added second pin 430 can be further provided with a ground pin corresponding to the ground terminal of the second type connector, so as to generate a common ground terminal. In addition, when it is determined that the second connector is connected to an audio signal receiver, such as earphones, speakers, microphones or other multimedia electronic devices, the second pin is also provided with at least one set of audio cable pins to transmit audio signals. The above identification pins, ground pins and audio source pins can be properly arranged and combined according to the circuit design, and will not be described in detail here.

In summary, the present invention adopts a connector structure compatible with the commonly used USB interface of MINI A and MINI B types, and adds a group of independent functional pins to the original connector structure, so that The first connector or the second connector with different numbers of pins can share this highly compatible connector structure. Therefore, the connector of the present invention can not only meet the requirement of function expansion, but also achieve the purpose of sharing the connector in product design.

Although the present invention has been disclosed above with preferred embodiments, it is not intended to limit the present invention. Anyone skilled in the art can make some changes and modifications without departing from the spirit and scope of the present invention. Therefore, this The scope of protection of the invention shall prevail as defined by the appended claims.

Claims (12)

1. A connector for sharing a first-type connector and a second-type connector with different numbers of pins, used for assembling on an electronic device, the connector comprising: The base body includes a first connection surface and a second connection surface, and the base body includes: a convex joint, wherein the first connecting surface and the second connecting surface are respectively located on two opposite surfaces of the convex joint; and a concave joint for accommodating the convex joint; At least one first pin is arranged on the first connection surface, and the number of the first pin is the same as that of the first type of connector; and At least one second pin is arranged on the second connection surface, and the total number of the second pin and the first pin is the same as the number of pins of the second type of connector. 2. The connector according to claim 1, wherein the base body further comprises a concave corner portion located at a corner of the concave joint portion to form a fool-proof structure. 3. The connector according to claim 1, wherein an insertion opening is formed between the convex portion and the concave portion for accommodating the first type connector or the second type connector. 4. The connector according to claim 1, wherein the first type of joint comprises a joint conforming to the size specification of MINI A or MINI B universal serial bus. 5. The connector as claimed in claim 1, wherein the second type of connector comprises an 11-pin UBSB size connector. 6. The connector according to claim 1, wherein the number of the first pins comprises the number of pins conforming to the MINI A or MINI B universal serial bus size specification. 7. The connector according to claim 1, wherein the second pin is at least selected from any one of the group consisting of an identification pin, an audio line pin, and a ground pin. 8. An electronic device comprising at least: A connector for sharing a first type joint and a second type joint with different numbers of pins, the connector has a first connection surface and a second connection surface; Wherein the first connection surface is configured with at least one first pin, and the number of the first pins is the same as the number of pins of the first type of connector, and the second connection surface is configured with at least one second pin, and the The total number of the second pins and the first pins is the same as the number of pins of the second connector. 9 . The electronic device according to claim 8 , wherein the first connection surface and the second connection surface are accommodated in a base body, and the base body further comprises a concave corner portion to form a fool-proof structure. 10. The electronic device according to claim 8, wherein the second pin has at least one set of identification pins, and the electronic device determines the type of the second type of connector through the potential change on the set of identification pins . 11. The electronic device of claim 10, wherein the potential change comprises one of a short circuit state, an impedance state, or an open circuit state. 12. The electronic device according to claim 8, wherein the first connector comprises a connector conforming to the MINIA or MINIB Universal Serial Bus size specification, and the second connector comprises a Universal Serial Bus size of 11 pins Specification connectors.

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